Scientific Name: Senecio quadridentatus

Common Name: cotton fireweed

Family Classification (Clade): Eudicots

Family: Asteraceae

Form Description: Short-lived perennial undershrub. Stems woody at base, finely striate, hairy.

Height (m): 0.6 – 1.2

Flowers: Heads numerous in loose terminal clusters; florets yellow; green or purplish phyllaries.

Fruit: Achene – narrow, slightly curved, ribbed.

Municipality
Break O’DayBrightonCentral CoastCentral HighlandsCircular HeadClarenceDerwent ValleyDevonportDorsetFlindersGeorge TownGlamorgan-Spring BayGlenorchyHobartHuon ValleyKentishKingboroughLatrobeLauncestonMeander ValleyNorthern MidlandsSorellSouthern MidlandsTasmanWaratah-WynyardWest Tamar
Plant Communities
No data available for this species
Habitat Notes

Widespread and abundant on roadsides, waste places and in a variety of habitats.

Site Tolerance

Dry, Moist

Soil Tolerance

Clay, Fertile, Loam, Nutrient-poor, Well-drained

Propagation Calendar

  • Flowering Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Seed Collecting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sowing Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Cutting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Seed

Seed Information

Seed Collection

Seeds appear fluffy and come away from heads easily when mature. Collect entire seed heads into paper bags and allow to dry. Rub seed heads on fine wire screens or break up by hand. Sieve to clean.

Seed Treatment Method

Standard Scatter seed thinly on to damp potting mix. Hold seed in place by covering with more potting mix to approximately the depth of the seed size.

Seed Storage Life

Short

Seed Treatment Notes

Surface sow or lightly cover. Seedlings may be prone to damping off so the use of capillary watering may be helpful. Some species lose viability quickly.

Germination Time

2-5 weeks